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Jacobsen Chief-O-Matic 800 53070

Jacobsen Chief-O-Matic 800 53070 tractor
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The Jacobsen Chief-O-Matic 800 is a 1966 garden tractor built in Racine, Wisconsin, USA by Jacobsen. It features an 8 hp Kohler K181 305cc 1-cylinder air-cooled gasoline engine with electric start and a belt-driven hydrostatic transmission providing infinite forward and reverse speeds. The tractor has two-wheel drive, manual steering, mechanical band brakes, and an open operator station. It includes a mid PTO with manual clutch. Dimensions include a 42 inch wheelbase, 61 inch length, and 33 inch width. Tires are lawn/turf type with front sizes 16x4.80-8 or 16x6.50-8 and rear sizes 22x6-12 or 22x8-12. Attachments available include 36" and 42" mid-mount mower decks, snowblowers, blade, and front-end loader. Electrical system is 12 volts with negative ground. The serial number plate is located on the left-front side above the front axle.
JacobsenChief-O-Matic 800garden tractor1966Kohler K181 enginehydrostatic transmissionlawn tractormower decksnowblowerfront-end loader
Power-
Founded-
ModelChief-O-Matic 800

Technical Specifications

Detailed specifications and technical data for Jacobsen Chief-O-Matic 800 53070

Tires

Lawn/turf rear:22x6-12, 22x8-12
Lawn/turf front:16x4.80-8, 16x6.50-8

Engine

Type:gasoline
Model:Kohler K181
Power:8 hp (6.0 kW)
Cooling:air-cooled horizontal-shaft
Starter:electric
Cylinders:1-cylinder
Fuel tank:1.25 gal (4.7 L)
Rated RPM:3600
Air cleaner:dry
Bore/Stroke:2.9375x2.75 inches (75 x 70 mm)
Displacement:305 cc (18.64 ci)
Oil capacity:1.25 qts (1.2 L)
Starter volts:12

Dimensions

Width:33 inches (83 cm)
Length:61 inches (154 cm)
Wheelbase:42 inches (106 cm)
Rear tread:31.5 inches (80 cm)
Front tread:30 inches (76 cm)
Height (hood):34.5 inches (87 cm)
Ground clearance:11.75 inches (frame) (29 cm)
Clearance (rear axle):6.25 inches (15 cm)
Clearance (front axle):8.75 inches (22 cm)
Height (steering wheel):39 inches (99 cm)

Electrical

Ground:negative
Battery volts:12

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical band brakes
Steering:Manual steering
Operator station:Open operator station

Production

Type:Garden tractor
Year:1966
Built in:Racine, Wisconsin, USA
Manufacturer:Jacobsen

References

Book:Chief Tractors published in 1966, by Jacobsen

Attachments

Blade:42 inches width (106 cm), front-mount
Snowblower:36 inches width (91 cm), single-stage, front-mount, manual-lift; 36 inches width (91 cm), two-stage, front-mount, manual-lift
Front-end loader:Danco JC 600 Loader, 300 lbs lift (full at pin) (136 kg), 52 inches clearance (level) (132 cm), Bucket width: 34 inches (86 cm)
36" mid-mount mower deck:36 inches (91 cm), 2-blade, manual lift, left-discharge, Cut height: 1.5 to 4 inch (3 to 10 cm)
42" mid-mount mower deck:42 inches (106 cm), 3-blade, manual lift, right-discharge, Cut height: 1.25 to 3 inch (3 to 7 cm)

Transmission

Type:belt-driven hydrostatic
Gears:infinite forward and reverse

Power Take-off (PTO)

Type:independent
Clutch:manual
Location:Mid PTO

Serial Number Location

Location:Serial number plate on the left-front side of tractor, above the front axle.

Related Models

Jacobsen Chief-O-Matic 1000

Model:Chief-O-Matic 1000